7297502913 has 6 divisors (see below), whose sum is σ = 10540837554. Its totient is φ = 4865001936.

The previous prime is 7297502911. The next prime is 7297502939. The reversal of 7297502913 is 3192057927.

It can be written as a sum of positive squares in only one way, i.e., 6853852944 + 443649969 = 82788^2 + 21063^2 .

It is not a de Polignac number, because 7297502913 - 2¹ = 7297502911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7297502911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 405416820 + ... + 405416837.

It is an arithmetic number, because the mean of its divisors is an integer number (1756806259).

Almost surely, 2^7297502913 is an apocalyptic number.

It is an amenable number.

7297502913 is a deficient number, since it is larger than the sum of its proper divisors (3243334641).

7297502913 is a wasteful number, since it uses less digits than its factorization.

7297502913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810833663 (or 810833660 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 7297502913 is about 85425.4231069416. The cubic root of 7297502913 is about 1939.6562001919.

The spelling of 7297502913 in words is "seven billion, two hundred ninety-seven million, five hundred two thousand, nine hundred thirteen".